background

Water Treatment Works

Doha Sewerage Scheme C100/1
48 Km twin 800 mm Dia DI pipeline & 9 Km of twin 800 mm dia GRP pipe and associated valve chambers
Client: Ministry of Industry and Public Works
Period: 1981 – 1983

Doha Sewerage Scheme C 227
11 Km of effluent water pipeline and sprinkles from Almana Roundabout, C Ring Road
Client: Ministry of Industry and Public Works
Period: 1985-1986

Sewage Water Treatment Project – West Doha C312
12.6 Km of DI pipeline and 3.6 Km of GRP pipeline and all associated valve chambers
Client: Ministry of Industry and Public Works
Period: 1986-1988

Doha Sewage Project – Pumping Station No 33 (C150)
R.C.C Underground pump houses, road works etc
Client: Ministry of Industry and Public Works
Period: 1985-1987

Sewage Water Treatment Project – Doha C273
Refurbishment of Old Sewerage Services by replacing asbestos cement pipes with clay pipes.
Client: Ministry of Industry and Public Works
Period: 1988-1989

Sewage Water Treatment Project – Doha C242
Installation of surface water drainage system at the Cable & Wireless Roundabout area
Client: Ministry of Industry and Public Works
Period: 1989-1990

Al Shahanya Sewage Project Phase 2 C188
Construction of underground drainage system including clay pipeline and chambers
Client: Ministry of Industry and Public Works
Period: 1989-1991

Doha Sewage Project C274
In-situ lining of some 2361 m of PS 3 trunk sewer from 400 mm to 500 mm in diameter and renovation and lining of 40 No. manholes
Client: Ministry of Industry and Public Works
Period: 1990-1991

West Bay Sewage Grid Scanning Project And Various Works C357
The cleaning of approximately 40200 m of sewer and 960 manholes.
A conductivity survey to establish principal sources of infiltration.
An interval inspection by CCTV of approximately 40200 m of sewer.
The sealing of joints an approximately 8000 m of sewer.
A level, internal layout and condition survey of approximately 960 manholes.
Client: Ministry of Industry and Public Works
Period: 1990-1991

Doha Sewage Grid Scanning Project  Phase 3 C1/275
Doha Sewerage Scheme CCTV Survey Phase 3 Civil Project 275/1 CCTV Survey Works
Client: Ministry of Industry and Public Works
Period: 1991-1992

Excess Water Lines Project – Salwa C 209
The project comprises the construction of same 2.7 Km of trunk return effluent main and 4.3 Km of distribution return effluent mains. The mains are to be laid from the D Ring road, along the Salwa relief road to the existing Doha south sewerage treatment works.
Client: Ministry of Industry and Public Works
Period: 1991-1992

Surface Water Drainage Project – Central Doha C358
The project comprises the construction of some 1, 809 Km of surface water sewer and manholes associated land drains and gulley connections and relaying of 1.4 Km existing foul sewers and manholes. At Kharaba Street and Asmakh Street areas.
Client: Ministry of Industry and Public Works
Period: 1991-1992

Civil Works For Sewage Water Triple Treatment Project – West Doha C304
The works comprise the construction, completion, and maintenance of the following;
- Secondary Effluent Screw Pumping Station with inlet arrangement and channels.
Backwash return channels, tanks, sand traps and pumping sump arrangement. 
Final Holding Tank with backwash and chlorination pumping arrangements.
Rapid Gravity Sand Filters with inlet, backwash return and final effluent channels and chambers.
M.V. Switchgear room, Transformer Area, Control room, and all ancillary equipment, instrumentations, cabling and ducts.
Overall Pump Station structure, incorporating all lifting equipment, access levels and ways and all miscellaneous facilities such as store room, toilet, etc. 
All internal pipework, valves, penstocks, supports, and miscellaneous metal work.
All external works, including NEW HV room, site pipework, chambers, roads, lighting and cabling
Client: Ministry of Industry and Public Works
Period: 1992-1994

Front Drive And Drainage System Project – North West Doha C370
Installation of approximately 6.1 Km of twin 800 mm dia DI pipes of rising mains and 900 m of 1100 mm dia GRP pipes and all associated valve chambers and manholes
Client: Ministry of Industry and Public Works
Period: 1992-1994